Question

a grocery store chain tracked the number of trips people made to its stores last week. trips to the grocery store last week how many people are there in all? people

Explanation:

Step1: Count 'x's for each number of trips

For 1 trip: 7 'x's; for 2 trips: 6 'x's; for 3 trips: 5 'x's; for 5 trips: 3 'x's; for 6 trips: 9 'x's.

Step2: Sum up the counts

$7 + 6+5 + 3+9$
$= 13+5 + 3+9$
$= 18+3 + 9$
$= 21+9$
$= 30$

Answer:

30